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| Date | 2/29/2024 | 11/30/2023 | 8/31/2023 | 5/31/2023 | 2/28/2023 | 11/30/2022 | 8/31/2022 | 5/31/2022 | 2/28/2022 | 11/30/2021 | 8/31/2021 | 5/31/2021 | 2/28/2021 | 11/30/2020 | 8/31/2020 | 5/31/2020 | 2/29/2020 | 11/30/2019 | 8/31/2019 | 5/31/2019 | 2/28/2019 | 11/30/2018 | 8/31/2018 | 8/31/2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents | $56,768,000.00 | $64,161,000.00 | $69,697,000.00 | $70,474,000.00 | $22,294,000.00 | $26,934,000.00 | $35,782,000.00 | $35,968,000.00 | $36,350,000.00 | $44,421,000.00 | $40,430,000.00 | $4,701,000.00 | $1,747,000.00 | $2,745,000.00 | $9,259,000.00 | $17,030,000.00 | $29,986,000.00 | $33,010,000.00 | $38,044,000.00 | -- | -- | -- | -- | -- |
| Accounts Receivable Net Current | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | $2,457,000.00 | $1,995,000.00 | $2,130,000.00 | $660,000.00 | $1,365,000.00 | $1,048,000.00 | $948,000.00 | -- | -- | -- | -- | -- |
| Inventory | $1,874,000.00 | $1,771,000.00 | $1,747,000.00 | $1,387,000.00 | $1,436,000.00 | $1,278,000.00 | $1,120,000.00 | $884,000.00 | $880,000.00 | $820,000.00 | $733,000.00 | $467,000.00 | $427,000.00 | $454,000.00 | $367,000.00 | $407,000.00 | $449,000.00 | $433,000.00 | $539,000.00 | -- | -- | -- | -- | -- |
| Prepaid Expenses and Other Current Assets | $4,120,000.00 | $4,204,000.00 | $4,233,000.00 | $5,123,000.00 | $3,450,000.00 | $3,877,000.00 | $2,852,000.00 | $6,108,000.00 | $6,278,000.00 | $5,654,000.00 | $13,957,000.00 | $11,973,000.00 | $6,408,000.00 | $3,074,000.00 | $3,010,000.00 | $2,929,000.00 | $1,699,000.00 | $1,497,000.00 | $1,744,000.00 | -- | -- | -- | -- | -- |
| Total Current Assets | $74,216,000.00 | $82,048,000.00 | $89,371,000.00 | $89,262,000.00 | $30,831,000.00 | $35,039,000.00 | $42,396,000.00 | $45,173,000.00 | $46,041,000.00 | $52,935,000.00 | $57,468,000.00 | $20,401,000.00 | $11,278,000.00 | $8,507,000.00 | $14,778,000.00 | $21,031,000.00 | $33,511,000.00 | $36,022,000.00 | $41,501,000.00 | -- | -- | -- | -- | -- |
| Property Plant and Equipement | $124,163,000.00 | $114,346,000.00 | $106,427,000.00 | $96,654,000.00 | $87,791,000.00 | $81,109,000.00 | $75,590,000.00 | $68,677,000.00 | $62,867,000.00 | $59,893,000.00 | $53,885,000.00 | $51,783,000.00 | $50,944,000.00 | $49,816,000.00 | $45,541,000.00 | $40,937,000.00 | $37,984,000.00 | $34,604,000.00 | $31,917,000.00 | -- | -- | -- | -- | -- |
| Intangible Assets Net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other Assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Assets | $315,529,000.00 | $309,297,000.00 | $304,659,000.00 | $286,248,000.00 | $212,717,000.00 | $204,449,000.00 | $201,356,000.00 | $195,525,000.00 | $184,048,000.00 | $178,819,000.00 | $177,669,000.00 | $130,434,000.00 | $118,409,000.00 | $115,393,000.00 | $118,379,000.00 | $113,831,000.00 | $125,024,000.00 | $115,616,000.00 | $76,410,000.00 | -- | -- | -- | -- | -- |
| Accounts Payable | $7,370,000.00 | $8,871,000.00 | $7,248,000.00 | $5,521,000.00 | $6,810,000.00 | $5,304,000.00 | $5,559,000.00 | $6,115,000.00 | $4,770,000.00 | $6,222,000.00 | $4,920,000.00 | $3,631,000.00 | $2,968,000.00 | $4,890,000.00 | $4,919,000.00 | $2,152,000.00 | $2,569,000.00 | $2,678,000.00 | $3,684,000.00 | -- | -- | -- | -- | -- |
| Accrued Liabilities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Current Liabilities | $150,249,000.00 | $145,556,000.00 | $140,018,000.00 | $126,508,000.00 | $120,347,000.00 | $112,542,000.00 | $108,062,000.00 | $105,565,000.00 | $95,425,000.00 | $88,788,000.00 | $86,825,000.00 | $92,777,000.00 | $81,986,000.00 | $75,670,000.00 | $72,666,000.00 | $61,549,000.00 | $63,853,000.00 | $54,538,000.00 | $14,229,000.00 | -- | -- | -- | -- | -- |
| Long Term Debt | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Additional Paid-in Capital | $192,422,000.00 | $189,915,000.00 | $188,771,000.00 | $186,845,000.00 | $121,149,000.00 | $119,671,000.00 | $118,970,000.00 | $117,549,000.00 | $116,689,000.00 | $116,218,000.00 | $115,756,000.00 | $61,737,000.00 | $61,273,000.00 | $60,692,000.00 | $60,332,000.00 | $60,052,000.00 | $59,789,000.00 | $59,563,000.00 | $59,442,000.00 | -- | -- | -- | -- | -- |
| Accumulated Other Comprehensive Loss | $76,000.00 | $46,000.00 | $43,000.00 | $-7,000.00 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Accumulated Deficit | $-27,229,000.00 | $-26,231,000.00 | $-24,184,000.00 | $-27,109,000.00 | $-28,789,000.00 | $-27,774,000.00 | $-25,686,000.00 | $-27,599,000.00 | $-28,076,000.00 | $-26,197,000.00 | $-24,922,000.00 | $-24,088,000.00 | $-24,858,000.00 | $-20,977,000.00 | $-14,627,000.00 | $-7,778,000.00 | $1,374,000.00 | $1,507,000.00 | $2,731,000.00 | -- | -- | -- | -- | -- |
| Total Stockholders' Equity | $165,280,000.00 | $163,741,000.00 | $164,641,000.00 | $159,740,000.00 | $92,370,000.00 | $91,907,000.00 | $93,294,000.00 | $89,960,000.00 | $88,623,000.00 | $90,031,000.00 | $90,844,000.00 | $37,657,000.00 | $36,423,000.00 | $39,723,000.00 | $45,713,000.00 | $52,282,000.00 | $61,171,000.00 | $61,078,000.00 | $62,181,000.00 | $22,521,000.00 | $21,647,000.00 | $21,274,000.00 | $21,505,000.00 | $14,658,000.00 |
| Controlling Interest in Subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Liabilities and Equity | $315,529,000.00 | $309,297,000.00 | $304,659,000.00 | $286,248,000.00 | $212,717,000.00 | $204,449,000.00 | $201,356,000.00 | $195,525,000.00 | $184,048,000.00 | $178,819,000.00 | $177,669,000.00 | $130,434,000.00 | $118,409,000.00 | $115,393,000.00 | $118,379,000.00 | $113,831,000.00 | $125,024,000.00 | $115,616,000.00 | $76,410,000.00 | -- | -- | -- | -- | -- |
| Date | 2/29/2024 | 11/30/2023 | 8/31/2023 | 5/31/2023 | 2/28/2023 | 11/30/2022 | 8/31/2022 | 5/31/2022 | 2/28/2022 | 11/30/2021 | 8/31/2021 | 5/31/2021 | 2/28/2021 | 11/30/2020 | 8/31/2020 | 5/31/2020 | 2/29/2020 | 11/30/2019 | 8/31/2019 | 5/31/2019 | 2/28/2019 | 11/30/2018 | 8/31/2018 | 8/31/2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cost of Revenues | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gross Profit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Research and Development | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling, General, and Administrative | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Operating Expenses | $113,297,000.00 | $54,316,000.00 | $187,097,000.00 | $134,397,000.00 | $86,467,000.00 | $41,474,000.00 | $141,843,000.00 | $101,760,000.00 | $33,168,000.00 | $31,096,000.00 | $74,880,000.00 | $46,194,000.00 | $12,884,000.00 | $15,705,000.00 | $61,666,000.00 | $49,299,000.00 | $38,459,000.00 | $18,831,000.00 | $62,584,000.00 | $44,796,000.00 | $28,675,000.00 | $13,840,000.00 | $49,881,000.00 | -- |
| Loss from Operations | $-4,531,000.00 | $-2,841,000.00 | $332,000.00 | $-1,897,000.00 | $-3,205,000.00 | $-2,156,000.00 | $-754,000.00 | $-2,669,000.00 | $-3,142,000.00 | $-1,264,000.00 | $-9,989,000.00 | $-9,227,000.00 | $-10,093,000.00 | $-6,291,000.00 | $-16,498,000.00 | $-8,028,000.00 | $-1,631,000.00 | $-1,391,000.00 | $1,661,000.00 | $834,000.00 | $-138,000.00 | $-420,000.00 | $1,863,000.00 | -- |
| Loss Before Income Taxes | $-948,000.00 | $-2,009,000.00 | $1,735,000.00 | $-1,357,000.00 | $-3,078,000.00 | $-2,078,000.00 | $-690,000.00 | $-2,664,000.00 | $-1,876,000.00 | $-1,263,000.00 | $-10,189,000.00 | $-9,373,000.00 | $-10,173,000.00 | $-6,321,000.00 | $-16,184,000.00 | $-9,330,000.00 | $-1,331,000.00 | $-1,228,000.00 | $1,524,000.00 | $581,000.00 | $-209,000.00 | $-456,000.00 | $1,747,000.00 | -- |
| Earnings Per Share Basic | $-0.09 | $-0.18 | $0.15 | $-0.14 | $-0.32 | $-0.21 | $-0.08 | $-0.28 | $-0.19 | $-0.13 | $-1.21 | $-1.13 | $-0.46 | $-0.76 | $-2.08 | $-1.10 | $-0.16 | $-0.15 | $0.28 | $0.14 | $-0.04 | $-0.08 | $0.35 | -- |
| Weighted Average Shares Basic | 11,162,000 | 11,150,000 | 10,305,000 | 10,028,000 | 9,795,000 | 9,789,000 | 9,719,000 | 9,714 | 9,711 | 9,710 | 8,528,000 | 8,381 | 8,363 | 8,348 | 8,338 | 8,337 | 8,335 | 8,335 | 5,283 | 5,000 | 5,000 | 5,000 | 5,000 | -- |
| Earnings Per Share Diluted | $-0.27 | $-0.18 | $0.14 | $-0.14 | $-0.32 | $-0.21 | $-0.08 | $-0.28 | $-0.19 | $-0.13 | $-1.21 | $-1.13 | $-0.46 | $-0.76 | $-2.08 | $-1.26 | $-0.16 | $-0.15 | $0.26 | $0.10 | $-0.04 | $-0.08 | $0.34 | -- |
| Weighted Average Shares Diluted | 11,179,000 | 11,150,000 | 10,640,000 | 10,028,000 | 9,795,000 | 9,789,000 | 9,719,000 | 9,714 | 9,712 | 9,710 | 8,528,000 | 8,381 | 8,363 | 8,348 | 8,338 | 8,337 | 8,335 | 8,335 | 5,512 | 5,151 | 5,000 | 5,000 | 5,050 | -- |
| Common Stock Shares Authorized | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Common Stock Par Or Stated Value Per Share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Payments Of Dividends Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Shares Authorized | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | 1,000,000 | -- | -- | -- | 1,000,000 | -- | -- | -- | -- | -- |
| Preferred Stock Shares Outstanding | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Value | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Preferred Stock Par Or Stated Value Per Share | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | -- | -- | -- | $0.00 | -- | -- | -- | -- | -- |
| Share Price | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |